65022641 has 2 divisors, whose sum is σ = 65022642. Its totient is φ = 65022640.

The previous prime is 65022631. The next prime is 65022677. The reversal of 65022641 is 14622056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59598400 + 5424241 = 7720^2 + 2329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65022641 is a prime.

It is a super-2 number, since 2×65022641² = 8455887685229762, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65022641.

It is not a weakly prime, because it can be changed into another prime (65022631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32511320 + 32511321.

It is an arithmetic number, because the mean of its divisors is an integer number (32511321).

Almost surely, 2^65022641 is an apocalyptic number.

It is an amenable number.

65022641 is a deficient number, since it is larger than the sum of its proper divisors (1).

65022641 is an equidigital number, since it uses as much as digits as its factorization.

65022641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 65022641 is about 8063.6617612596. The cubic root of 65022641 is about 402.1192541585.

Adding to 65022641 its reverse (14622056), we get a palindrome (79644697).

The spelling of 65022641 in words is "sixty-five million, twenty-two thousand, six hundred forty-one".